Product Details
Place of Origin: Xi'an, Shaanxi Province, China
Brand Name: PeterTrade(PT)
Payment & Shipping Terms
Minimum Order Quantity: 1-10 Pieces
Price: negotiable
Packaging Details: Wooden Case,plywood Case,pallet Etc.
Delivery Time: about 15-45 days, accordingly
Payment Terms: D/A, T/T, L/C,D/P
Supply Ability: 100-200 Ton/Tons Per Month
Product Standard: |
DIN 2527 Blind Flanges Flat Face(BLFF) |
Product Face Types: |
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF) |
Materials: |
Mainly Include Carbon Steel, Also Include Stainless Steel, Alloy Steel And Others As Your Requirement |
Pressure(Class): |
PN 25 |
Sizes: |
DN 10 - DN 1000 |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized |
Export Countries: |
UK, Germany, Netherland, USA, Canada, Brazil, Korea, Japan, India, Egypt, Dubai, Qatar, Saudi Arabia, Indonesia, Singapore And Etc. |
Applications: |
Plumbing, HVAC, And General Industrial Piping Systems |
Product Standard: |
DIN 2527 Blind Flanges Flat Face(BLFF) |
Product Face Types: |
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF) |
Materials: |
Mainly Include Carbon Steel, Also Include Stainless Steel, Alloy Steel And Others As Your Requirement |
Pressure(Class): |
PN 25 |
Sizes: |
DN 10 - DN 1000 |
Surface Treatment: |
Black Painting / Anti Rust Oil / Hot Dip Galvanized |
Export Countries: |
UK, Germany, Netherland, USA, Canada, Brazil, Korea, Japan, India, Egypt, Dubai, Qatar, Saudi Arabia, Indonesia, Singapore And Etc. |
Applications: |
Plumbing, HVAC, And General Industrial Piping Systems |
DIN 2527 PN 25 Carbon Steel Blind Flanges BLFF Flat Face for Industrial Applications
Introduction:
Shaanxi Peter International Trade Co., Ltd. is a highly regarded and well-established supplier with a proven track record of over 20 years in the market. We have earned a strong reputation as a trusted and reliable source for DIN 2527 Carbon Steel Blind Flanges.
With our extensive experience, we understand the importance of providing excellent service to our customers. We have cultivated long-standing relationships by offering competitive pricing, prompt delivery, and personalized support. Our team of experts is dedicated to assisting customers throughout the entire procurement process, from product selection to after-sales service.
Quality control and assurance are paramount to us as a reputable supplier. Our DIN 2527 Carbon Steel Blind Flanges undergo stringent testing and inspection to ensure durability, precision, and compliance with relevant standards. We work closely with trusted manufacturers who share our commitment to delivering reliable and superior products.
We strive to exceed customer expectations and provide the highest level of satisfaction. We are confident in our ability to meet your DIN 2527 Carbon Steel Blind Flange requirements with top-notch products and exceptional service.
Description of Carbon Steel Blind Flanges:
Carbon Steel Blind flanges, available in Raised Face (RF) and Flat Face (FF) styles, are flanges that do not have a center bore or opening. Unlike other flange types that facilitate the flow of liquids, gases, or air, blind flanges are specifically used to seal the end of a piping system and prevent flow. They serve various purposes, such as pressure testing, creating access points, temporary sealing during modifications or repairs, or permanently terminating a piping system.
Unlike welded flanges, blind flanges are bolted in place. This bolted connection allows for easier access when performing maintenance, inspections, or accommodating future expansion needs. To create a reliable seal, blind flanges are paired with a gasket. The gasket fills the space between the flange faces, effectively preventing leaks of liquids or gases. The choice of gasket material is crucial and should consider factors such as temperature, pressure, chemical compatibility, and the fluid type involved.
In summary, blind flanges, when combined with the appropriate gasket, provide a secure sealing solution for terminating or temporarily sealing a piping system. Their bolted design allows for convenient access during upkeep, inspection, or future expansion, while the gasket ensures a tight seal by filling the gap between the flange faces, effectively preventing leaks.
DIN 2527 Carbon Steel Blind Flange Dimensions:
DIN 2527 Blind Flange PN 25 | ||||||
Bore | Common Dimension | Drilling | Weight | |||
Nominal Bore | D | C4 | K | Number of bolt | L | KG |
10 | 90 | 16 | 60 | 4 | 14 | 0.7 |
15 | 95 | 16 | 65 | 4 | 14 | 0.8 |
20 | 105 | 18 | 75 | 4 | 14 | 1.1 |
25 | 115 | 18 | 85 | 4 | 14 | 1.4 |
32 | 140 | 18 | 100 | 4 | 18 | 2.0 |
40 | 150 | 18 | 110 | 4 | 18 | 2.4 |
50 | 165 | 20 | 125 | 4 | 18 | 3.2 |
65 | 185 | 22 | 145 | 4 | 18 | 4.3 |
80 | 200 | 24 | 160 | 8 | 18 | 5.5 |
100 | 235 | 24 | 190 | 8 | 22 | 7.6 |
125 | 270 | 26 | 220 | 8 | 26 | 10.8 |
150 | 300 | 28 | 250 | 8 | 26 | 14.6 |
175 | 330 | 28 | 280 | 8 | 26 | 17.4 |
200 | 360 | 30 | 310 | 12 | 26 | 22.5 |
250 | 425 | 32 | 370 | 12 | 30 | 33.5 |
300 | 485 | 34 | 430 | 12 | 30 | 46.3 |
350 | 555 | 38 | 490 | 16 | 33 | 68.1 |
400 | 620 | 40 | 550 | 16 | 36 | 89.6 |
500 | 730 | 45 | 660 | 20 | 36 | 140.7 |
600 | 845 | 48 | 770 | 20 | 39 | 202.3 |
700 | 960 | 50 | 875 | 24 | 42 | 271.1 |
800 | 1085 | 54 | 990 | 24 | 48 | 373.5 |
900 | 1185 | 58 | 1090 | 28 | 48 | 479.1 |
1000 | 1320 | 62 | 1210 | 28 | 56 | 632.5 |
1.Dimensions are in millimeters(mm).
2.Dimensions can be specified by different purchasers.
Considerations when using carbon steel blind flanges in high-pressure or high-temperature applications:
Material Selection: Ensure that the carbon steel material used for the blind flanges is suitable for the specific high-pressure and high-temperature conditions. Consider factors such as the desired strength, corrosion resistance, and temperature resistance of the carbon steel grade.
Pressure Ratings: Verify that the blind flanges have the appropriate pressure ratings to withstand the intended operating pressures. It is crucial to select blind flanges with a pressure rating that matches or exceeds the maximum pressure of the system.
Temperature Limitations: Take into account the temperature limitations of the carbon steel blind flanges. Carbon steel has a maximum temperature limit, and exceeding it can lead to reduced strength, deformation, or even failure. Ensure that the temperature of the application is within the acceptable range for the chosen carbon steel grade.
Sealing and Gasket Selection: Proper sealing is essential in high-pressure and high-temperature applications. Select suitable gaskets that can withstand the operating conditions and provide an effective seal between the blind flange and the mating surface.
Bolt and Nut Selection: Choose appropriate bolt and nut materials that can handle the high-pressure and high-temperature environment. Consider factors such as strength, corrosion resistance, and temperature limitations of the fasteners.
Thermal Expansion and Contraction: Account for the potential thermal expansion and contraction of the piping system. High temperatures can cause the system to expand, and the blind flange should be able to accommodate these movements without compromising the integrity of the joint.
Installation and Tightening: Follow proper installation procedures and recommended torque values when tightening the blind flange. Over or under-tightening can lead to leakage or flange deformation.
Regular Inspection and Maintenance: Conduct regular inspections to check for signs of wear, corrosion, or leakage. Perform maintenance activities as needed to ensure the continued integrity and performance of the blind flanges.
Applications of DIN 2527 Carbon Steel Blind Flanges:
DIN 2527 Carbon Steel Blind Flanges find applications in various industries and scenarios where a secure termination point or closure is needed in a piping system. Some common applications of these blind flanges include:
Oil and Gas Industry: Blind flanges are used in oil and gas pipelines and refineries for sealing off the ends of pipes, valves, or equipment. They are employed during maintenance or shutdowns, or when a pipeline or section needs to be closed temporarily or permanently.
Chemical and Petrochemical Industry: These blind flanges are utilized in chemical processing plants and petrochemical facilities. They provide a reliable seal to isolate sections of the pipeline during maintenance, repairs, or when changing process conditions.
Power Generation: Blind flanges are employed in power plants, including thermal power plants, nuclear power plants, and renewable energy facilities. They are used in piping systems to close off the ends of pipes or valves, ensuring safe and efficient operation.
Water and Wastewater Treatment: In water treatment plants, blind flanges are used to seal off pipes or equipment during maintenance or repairs. They help prevent the flow of water or wastewater and allow for isolation of specific sections of the system.
Process and Manufacturing Industries: Blind flanges are found in various process and manufacturing industries where pipelines need to be closed off securely. These industries include food and beverage, pharmaceuticals, pulp and paper, and others.
Shipbuilding and Offshore Applications: Blind flanges are utilized in shipbuilding and offshore industries for closing off pipes or valves in marine systems. They provide a reliable seal and help maintain the integrity of the system in demanding marine environments.
Construction and Infrastructure: In construction projects and infrastructure installations, blind flanges are used for temporary or permanent closure of pipes or valves. They are employed during testing, pressure holding, or when sections of the system are not in use.
DIN2527 carbon steel blind flanges are versatile components that play a crucial role in creating secure terminations, facilitating maintenance, and ensuring the integrity of piping systems across a wide range of industrial applications.